Global Patent Index - EP 3153583 A1

EP 3153583 A1 20170412 - EXPRESS HUMANIZATION OF ANTIBODIES

Title (en)

EXPRESS HUMANIZATION OF ANTIBODIES

Title (de)

EXPRESS-HUMANISIERUNG VON ANTIKÖRPERN

Title (fr)

HUMANISATION EXPRESS D'ANTICORPS

Publication

EP 3153583 A1 20170412 (EN)

Application

EP 16189361 A 20111228

Priority

  • US 201061428917 P 20101231
  • EP 11852441 A 20111228
  • US 2011067589 W 20111228

Abstract (en)

The disclosure provides a method for generation of humanized full length antibodies in mammalian cells. A library of humanized variants is provided with high, validated human framework diversity without requiring back-mutations to retain original affinity. Synthetic CDR encoding fragment libraries derived from a template antibody are ligated to human framework region encoding fragments from a human framework pool limited only to germline sequences from a functionally expressed antibodies. The vector comprises a nucleic acid sequence encoding HC framework region 4. No CDR grafting or phage display is required.

IPC 8 full level

C07K 16/18 (2006.01); C12N 15/09 (2006.01); C12N 15/10 (2006.01); C12N 15/12 (2006.01); C12N 15/63 (2006.01); C12P 21/08 (2006.01)

CPC (source: CN EP US)

C07K 16/00 (2013.01 - CN); C07K 16/248 (2013.01 - EP US); C07K 16/461 (2013.01 - US); C07K 16/464 (2013.01 - EP US); C07K 2317/14 (2013.01 - US); C07K 2317/24 (2013.01 - US); C07K 2317/51 (2013.01 - US); C07K 2317/515 (2013.01 - US); C07K 2317/92 (2013.01 - CN EP US)

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Citation (search report)

  • [A] EP 0239400 A2 19870930 - WINTER GREGORY PAUL
  • [A] WO 03002607 A1 20030109 - LEUNG SHAWN SHUI-ON [US]
  • [A] LO BENNY K C: "Antibody humanization by CDR grafting", METHODS IN MOLECULAR BIOLOGY, HUMANA PRESS INC, NJ, US, vol. 248, 1 January 2004 (2004-01-01), pages 135 - 159, XP009123349, ISSN: 1064-3745
  • [A] BEERLI R R ET AL: "Isolation of human monoclonal antibodies by mammalian cell display", PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES, NATIONAL ACADEMY OF SCIENCES, US, vol. 105, no. 38, 23 September 2008 (2008-09-23), pages 14336 - 14341, XP002518752, ISSN: 0027-8424, DOI: 10.1073/PNAS.0805942105
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Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2012092374 A2 20120705; WO 2012092374 A3 20121018; WO 2012092374 A9 20121122; AU 2011352205 A1 20130711; AU 2011352205 B2 20160616; AU 2016228196 A1 20161006; AU 2016228196 B2 20180301; AU 2018200318 A1 20180201; AU 2018200318 B2 20190214; AU 2019203048 A1 20190523; AU 2019203048 B2 20201022; CA 2823044 A1 20120705; CA 2823044 C 20220816; CN 103620032 A 20140305; CN 103620032 B 20160224; CN 105602960 A 20160525; CN 105602960 B 20210319; DK 2658970 T3 20170116; EP 2658970 A2 20131106; EP 2658970 A4 20150506; EP 2658970 B1 20160928; EP 3153583 A1 20170412; EP 3153583 B1 20211020; EP 4008781 A1 20220608; ES 2609439 T3 20170420; ES 2899186 T3 20220310; MX 2013007659 A 20130916; MX 344595 B 20161220; US 10562981 B2 20200218; US 11396556 B2 20220726; US 2013303399 A1 20131114; US 2017247473 A1 20170831; US 2020157247 A1 20200521; US 2022325002 A1 20221013; US 9683054 B2 20170620

DOCDB simple family (application)

US 2011067589 W 20111228; AU 2011352205 A 20111228; AU 2016228196 A 20160914; AU 2018200318 A 20180115; AU 2019203048 A 20190430; CA 2823044 A 20111228; CN 201180068857 A 20111228; CN 201610065918 A 20111228; DK 11852441 T 20111228; EP 11852441 A 20111228; EP 16189361 A 20111228; EP 21198020 A 20111228; ES 11852441 T 20111228; ES 16189361 T 20111228; MX 2013007659 A 20111228; US 201113977166 A 20111228; US 201715593721 A 20170512; US 202016749643 A 20200122; US 202217807954 A 20220621